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Wind energy is a clean and cheapest renewable energy source in the world. As the demand for wind energy continues to grow at exponential rates, reducing operation and maintenance (OM) costs and improving reliability became top priorities in turbine (WT) maintenance strategies. Wind turbines are very overpriced components in wind farms. The maintenance of turbine components takes extra money and time. The efficiency of power pro- duction depends upon the accuracy of the wind turbine. For these reasons, a relia ble condition monitoring system is important for the turbine to attenuate downtimes and increase productivity. This paper aims to monitor the wind turbine parameters and to improve early fault detection. Wind turbine monitoring system collects the parameters like Speed, Temperature, vibration, voltage, and current from turbine by using respective sensors. The condition monitoring system collects data from sensors and therefore the data are periodically updated within the room. Arduino Uno board is employed for monitoring and control operations. The Arduino Uno board is interfaced with the software named LabVIEW. If any anomalous condition occurs, the SMS are going to be sent to the operator by using the GSM Module.


Because of the tremendous the number of information sources available on the World Wide Web has increased dramatically in recent years., it has become world's the most comprehensive information source. The focus of such study would be on online usage mining. Exploration of web usage is divided into 3 stages: pattern, pre-processing finding, & pattern recognition. Each component would be described in detail, but the discovery and analysis of user navigation patterns will receive special focus.


Li-Fi stands for Light Fidelity. This is veritably new technology and it was proposed by German physicist Harald Haas in 2011 TED (Technology, Entertainment, Design) A Global Talk on Visible Light Communication (VLC). Li-Fi makes use of light emitting diodes (LEDs) for transmission of data. This term Li-Fi refers to visible light communication (VLC) technology and uses light as medium to deliver high-speed communication in a manner analogous to Wi-Fi and complies with the IEEE standard. This new technology known as “data through illumination” which means transmission of data through LED lights which vary in intensities faster than the human eye can follow. This technology is grounded on intensity and eventuality of light emitting diode.This paper draws its attention on construction and working of Li- Fi based system and compares its performance with the being wireless network technologies

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